
Contents and Introduction
Contents
Contents . . . . . . . . . . . . . . . 17 Introduction . . . . . . . . . . . . . . 17 Controls . . . . . . . . . . . . . . . 18 Accessing the Control Panel . . . . . . . . . . .18 Top Control Panel . . . . . . . . . . . . . .18
Connections . . . . . . . . . . . . . . 20 Rear Connection Panel . . . . . . . . . . . . 20
Advanced Setup . . . . . . . . . . . . 29 Loading a Custom
Placement . . . . . . . . . . . . . . . 32 Subwoofer Placement . . . . . . . . . . . . .32 Installing in a Cabinet . . . . . . . . . . . . .33 Ask Your Dealer . . . . . . . . . . . . . . .33 Solid Footing . . . . . . . . . . . . . . . .33 Enjoy Yourself . . . . . . . . . . . . . . . 33
Room Acoustics . . . . . . . . . . . . . 34 Your Room . . . . . . . . . . . . . . . . 34 Terminology . . . . . . . . . . . . . . . .34
Home Theater . . . . . . . . . . . . . 35 MartinLogan Exclusives . . . . . . . . . . 36 BalancedForce™ For Cleaner Bass . . . . . . . . 36 Proprietary Switching Amplifiers . . . . . . . . . 36 25Hz Level Control . . . . . . . . . . . . . 36 PBK (Perfect Bass Kit) . . . . . . . . . . . . .36 Optional Custom
Frequently Asked Questions . . . . . . . . 37 Troubleshooting . . . . . . . . . . . . 37 General Information . . . . . . . . . . . 38
Warranty and Registration . . . . . . . . . . . 38 Serial Number . . . . . . . . . . . . . . . 38 Service . . . . . . . . . . . . . . . . . 38
Specifications . . . . . . . . . . . . . 39 Glossary of Audio Terms . . . . . . . . . 40 Dimensional Drawings . . . . . . . . . . 71
BalancedForce 210 . . . . . . . . . . . . . 71 BalancedForce 212 . . . . . . . . . . . . . 72
Introduction
Congratulations! You have invested in one of the world's premier subwoofers.
MartinLogan BalancedForce 210 and 212 subwoofers repre- sent the culmination of an intensive, dedicated research program directed toward creating a world class reference subwoofer design using advanced technologies without compromising dura- bility, reliability, craftsmanship or aesthetics.
These subwoofers use dual, custom,
Additionally, PBK™ (Perfect Bass Kit) room correction technology (sold separately) measures the subwoofer’s acoustic output within a room and optimizes performance to compensate for the unique (and sometimes challenging) characteristics of a listening environment.
The materials in your new subwoofer are of the highest quality and will provide years of enduring enjoyment. The cabinetry is constructed from the highest quality wood, composite, and alumi- num materials for acoustic integrity.
This User's Manual will explain in detail the operation of your subwoofer and the philosophy applied to its design. A clear understanding will help you obtain maximum performance and pleasure from this high performance subwoofer system.
English
Contents and Introduction 17